5. Spread the batter
into the lined baking tray and bake in preheated oven at 140cfor 20 minutes .
Increase the heat to 160c and bake for another 10 minutes . Remove and leave to
cool . ( Picture 2 )

6 . Filling : Put 200ml
fresh milk , egg yolks , plain flour and cornstarch into a mixing bowl and stir
well . Heat the remaining of fresh milk with castor sugar until sugar has
dissolved . Pour in the egg yolk mixture and stir over very low heat until veru
thick . Add in butter , rum and stir well . Remove from heat and leave to cool
. ( Cover with cling film to prevent a skin forming on the surface ) . ( Picture 3 )

7. Remove the
greaseproof paper and cut 3 ~ 4 lines ( at the beginning of rolling point ) but
the cake is still attached to each other . Spread the filling over the cake and
roll up with greaseproof paper .

8. Chill the roll in
the fridge for 30 minutes . Cut into slices and serve .